% <--> Decimal
% Problems & Ordering #s
% Change
Original/Sale/Selling Price
Simple Interest
100

Write 2.7% as a decimal

0.027

100

What percent of 65 is 26?

40%

100

Find the percent increase from 86 to 156 (round to the nearest tenth)

81.4%

100

Find the sale price of a $140 item after a 40% discount.

$84

100

P = $500, r = 4%, t = 3 years

Find the interest earned.

$60

200

Write 0.666666.... as a percent

66.6% (with or without the repeating bar accepted)

200

Order 0.345, 32.7% and 1/3 from least to greatest
(answer must be in ORIGINAL format)

32.7%, 1/3, 0.345

200

Find the percent decrease from 60 to 44 (round to the nearest tenth)

26.7%

200

Find the sale price of a $125 item after a 15% discount.

$106.25

200

Find the interest earned on an account that had a deposit of $650, earns 12.5% after 18 months (be careful to ROUND appropriately!)

$121.88

300

Write 15/25 as a percent

60%

300

What number is 75% of 228?

171

300

Year 2010 - Population 132,000

Year 2025 - Population 156,000

What is the percent change in population? (round to the nearest tenth)

18.2%

300

Find the original price of an item that is $84 after a 30% discount.

$120

300

Find the interest rate for an account that earned $15 in interest on a $200 deposit after 6 years.

1.25%

400

Write 2/6 as a percent

33.3% (with or without the repeating bar accepted)

400

132.3 is what percent of 315?

42%

400

Find the percent change from 74 to 142 AND state whether it is an increase or a decrease. (round to the nearest tenth)

91.9% INCREASE

400

Find the selling price of a $50 item after a 60% markup.

$80

400

How long does it take with a principal of $400 to earn $80 in interest at simple annual interest rate of 5%?

4 years

500

Write 3/8 as a percent

37.5%

500

96 is 200% of what number?

48

500

Find the percent change from 2/3 to 9/12  AND state whether it is an increase or a decrease. (round to the nearest tenth)

12.5% INCREASE

500

Find the original price of an item that is $126 after a 40% markup.

$90
500

Account A has a simple annual interest rate of 4.5% and Account B has a simple annual interest rate of 4%. How much more interest do you earn per year when you deposit $1200 in Account A instead of Account B?

$6

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